In the second quarter of 1987, the firm had a single-day loss of $377 million resulting from trading in mortgage-backed securities.

Together, the two fires produced the worst single-day losses for the Fire Department since 9/11.

The largest single-day losses ever had already been recorded on the world's stock markets.

Approximately 300 aircraft were lost, 237 pilots killed, missing, or captured, and 18 pilots wounded - the largest single-day loss for the Luftwaffe.

The Dow industrials plunged 3.3 percent on Feb. 27, the biggest single-day loss for the benchmark index, in percentage terms, since March 2003.

It was the exchange's worst single-day loss since October 1989.

The deaths represented the worst single-day loss of life for the armed forces since Mr. Uribe took office nearly three years ago.

Separatist rebels in Chechnya killed six Russian soldiers, the Russian military said, one of the largest single-day losses to which the Kremlin has admitted in weeks.

The Nikkei index of 225 issues fell 538.76 points, or 3.32 percent, to 15,702.90, its biggest single-day loss this year.

This remains the largest single-day loss of life in Canada's peace-keeping history.